Global temperature, Jan 2023

Global anomaly+0.88°C1951–1980

Rank among all Jans10 / 147warmest first

N. Hemisphere+1.29°C

S. Hemisphere+0.45°C

vs same month last year−0.03°C

CO₂ (Mauna Loa)419.48 ppm

All months of 2023

Jan ◀+0.88°C

Feb+0.97°C

Mar+1.23°C

Apr+0.99°C

May+0.94°C

Jun+1.09°C

Jul+1.19°C

Aug+1.19°C

Sep+1.48°C

Oct+1.35°C

Nov+1.40°C

Dec+1.36°C

This month+0.88°C

Same month, previous year+0.91°C

Same month 10 years earlier+0.71°C

Same month 50 years earlier+0.29°C

Jan average 1991–2020+0.63°C

Warmest Jan on record (2025)+1.38°C

Year	Global	NH	SH	Rank
2013	+0.71°C	+0.85°C	+0.57°C	19
2014	+0.76°C	+0.98°C	+0.54°C	15
2015	+0.86°C	+1.19°C	+0.53°C	11
2016	+1.18°C	+1.56°C	+0.81°C	4
2017	+1.02°C	+1.39°C	+0.65°C	6
2018	+0.82°C	+1.13°C	+0.51°C	13
2019	+0.93°C	+1.19°C	+0.68°C	8
2020	+1.18°C	+1.59°C	+0.76°C	3
2021	+0.82°C	+1.26°C	+0.37°C	12
2022	+0.91°C	+1.24°C	+0.58°C	9
2023	+0.88°C	+1.29°C	+0.45°C	10
2024	+1.25°C	+1.67°C	+0.83°C	2
2025	+1.38°C	+1.85°C	+0.90°C	1
2026	+1.09°C	+1.40°C	+0.77°C	5

Rank 99 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.